Seiko Cal. 3867 - 643

The Seiko 3867-643 represents an important milestone in Seiko's 1981 lineup. Powered by the 3867 caliber with 17j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-c49b95b60fc7]

Also known as: Turtle, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Burgundy

Jewels

17j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1981

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